1. Internet Search tools & techniques www.sbu.ac.uk/~farinhdf/project Web Search

2. The Web 320 Million pages? (April 1998) Size doubles every 4 months? No indexing control standard e.g. ISBN 40% (?) is not indexed at all! Needle in a hay stack sounds easy now... Web Search

3. The Tools Search Engines AltaVista Excite HotBot Directories Yahoo LookSmart Magellan Meta-Search Engines MetaCrawler DogPile Inference Find Client-Side Applications Autonomy’s AgentWare Blue Squirrel’s WebSeeker Neuron’s iSeeker :-) Web Search

4. What People Search For searchUK: http://www.searchuk.com/spy/ MetaCrawler:http://www.metaspy.com/

5. Search Strategies Guess the URL www.nasa.org www.cnn.com www.bbc.co.uk Choose the right tool Broad Topic:Yahoo Common Search: Ask Jeeves! Exhaustive Search:MetaCrawler Local Search:searchUK ‘Use’ the right tool Boolean Logic Field Searching Other tool-specific features Other Sources Ask a friend Pay someone to do it Web Search

6. Boolean Logic Web Search ORANDNOT A OR B A OR B OR C A AND B A AND B AND C A NOT B

7. Web Search Field Searching Title title:”Joe’s Home Page” URL Domain domain:uk Host host:microsoft.com URL url:www.sbu.ac.uk/~farinhdf/ Anchor anchor:download Applet applet:class Image image:myphoto Link link:www.sbu.ac.uk

8. Web Search Expert Tips DOs Use + and - symbols (boolean) Browse directories Start specific, not general (choice of tool) Use more than one tool DON’Ts Search too broadly ‘Default’ to single tool. Think & choose

9. Web Search Dan’s Tips Imagine the ‘perfect’ hit Try ‘completing the sentence’ e.g. +”Karl Marx was born in” Use the ‘magic’ word: links e.g. +dolphins +links Ignore other ‘communities’ e.g. +dolphins +links -miami Interpret results and refine your search use synonyms/related words found in good hits